Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
All life generally shares what characteristics? |
Organization Metabolizes Ability to reproduce and develop Responds to stimuli Homeostatic Capacity to adapt to environment Grows and develops |
|
|
Hierarchy of levels of life |
Biosphere Ecosystems Communities Populations Organisms Organ systems Organs Tissues Cells Molecules Atoms |
|
|
Biosphere |
The earth |
|
|
Ecosystem |
Communities plus physical environment |
|
|
Community |
Interacting populations in the same area |
|
|
Organism |
An individual |
|
|
Organ system |
Several organs working together |
|
|
Organ |
Tissues functioning together for a specific task |
|
|
Tissue |
Group of cells with common structure and function |
|
|
Cell |
The structural and functional unit of all organisms |
|
|
Molecule |
Union of two or more atoms |
|
|
Atom |
Smallest unit of an element |
|
|
Energy |
The capacity to do work |
|
|
Metabolism |
All of the chemical reactions that occur in a cell |
|
|
Photosynthesis |
A process which transforms solar energy into chemical energy of organic nutrient molecules |
|
|
Reproduction |
The ability to make another organism like itself |
|
|
Development |
Change to become an adult |
|
|
Genes |
Genetic instructions made up of DNA molecules |
|
|
Mutations |
Inheritable changes in the genetic information |
|
|
Homeostasis |
Maintaining a relatively constant internal environment |
|
|
Adaptations |
Features that make individuals better suited to a new environment |
|
|
Natural selection |
Differential reproductive success resulting in changes to characteristics of a population |
|
|
Evolution |
Change in the frequency of traits within a population and species |
|
|
Taxonomy |
The discipline of identifying and grouping organisms |
|
|
Systematics |
The study of the evolutionary relationships between organisms |
|
|
Classification Catergories |
Domain Kingdom Phylum Class Order Family Genus Species |
|
|
What are the three domains? |
Archaea Bacteria Eukarya |
|
|
What are the four kingdoms? |
Protista Fungi Plantae Animalia |
|
|
Binomials |
Specific name used to refer to organisms (first part=genus,second part=species) |
